F16J 9/14
Joint-closures
F16J9/14 (Joint-closures) appears on 228 US grants and 203 published applications in this corpus.
Search patents in F16J- Granted patents
- 228
- Published applications
- 203
- Assignees
- 127
- Inventors
- 440
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 2 |
| 2003 | 1 | 5 |
| 2004 | 3 | 4 |
| 2005 | 3 | 5 |
| 2006 | 2 | 5 |
| 2007 | 3 | 8 |
| 2008 | 2 | 11 |
| 2009 | 3 | 9 |
| 2010 | 6 | 6 |
| 2011 | 3 | 4 |
| 2012 | 6 | 5 |
| 2013 | 2 | 9 |
| 2014 | 7 | 7 |
| 2015 | 6 | 10 |
| 2016 | 5 | 11 |
| 2017 | 6 | 7 |
| 2018 | 6 | 9 |
| 2019 | 14 | 14 |
| 2020 | 6 | 9 |
| 2021 | 8 | 10 |
| 2022 | 8 | 11 |
| 2023 | 7 | 12 |
| 2024 | 12 | 12 |
| 2025 | 9 | 11 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Seal assembly with anti-rotation feature25 Aug 2026US 12,716,490 B2Pratt & Whitney Canada Corp.
- Piston ring assembly14 Jul 2026US 12,680,613 B2Mahle International GmbH
- Piston sealing ring assemblies2 Jun 2026US 12,644,518 B2Mainspring Energy, Inc.
- Sealing ring assemblies configured for pressure locking19 May 2026US 12,631,163 B2Mainspring Engergy, Inc.
- Internally clamping rectangular seal14 Apr 2026US 12,601,404 B2Konzelmann GmbH
- Piston sealing ring assembly having a gap cover element13 Aug 2026US 2026/0235203 A1Mainspring Energy, Inc.
- Piston Seal Ring Bypass9 Jul 2026US 2026/0194140 A1Rtx Corporation
- Synchronous Rotation Gapless Piston Rings30 Apr 2026US 2026/0117865 A1LF International, Inc.
- Piston ring set30 Apr 2026US 2026/0117867 A1Riken
- Sealing ring assembly with spring element19 Mar 2026US 2026/0078822 A1
Most cited
By later US patents
- Split ring seal with slip joint55US 4,759,555 AEG&G Pressure Science, Inc. · 1988
- Split seal ring with interlocking cut35US 4,533,149 AJ. I. Case Company · 1985
- Thermally expansive slip joint for formed sheet metal seals33US 4,602,795 AUnited Technologies Corporation · 1986
- High pressure reciprocator components33US 4,809,646 A1989
- Split resin seal ring with chamfered end connection structures31US 5,934,680 ANtn Corporation · 1999